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target/arm: Decode PAuth within disas_data_proc_1src

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Backports commit 95ebd99dcd37b8574426c876502bfcc7c299584b from qemu
This commit is contained in:
Richard Henderson 2019-01-22 15:39:51 -05:00 committed by Lioncash
parent 967e6a1e90
commit 999222f0a1
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GPG key ID: 4E3C3CC1031BA9C7
1 changed files with 148 additions and 0 deletions
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148
qemu/target/arm/translate-a64.c
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@ -4655,6 +4655,8 @@ static void handle_rev16(DisasContext *s, unsigned int sf,
static void disas_data_proc_1src(DisasContext *s, uint32_t insn)
{
unsigned int sf, opcode, opcode2, rn, rd;
TCGv_i64 tcg_rd;
TCGContext *tcg_ctx;
if (extract32(insn, 29, 1)) {
unallocated_encoding(s);
@ -4666,6 +4668,7 @@ static void disas_data_proc_1src(DisasContext *s, uint32_t insn)
opcode2 = extract32(insn, 16, 5);
rn = extract32(insn, 5, 5);
rd = extract32(insn, 0, 5);
tcg_ctx = s->uc->tcg_ctx;
#define MAP(SF, O2, O1) ((SF) | (O1 << 1) | (O2 << 7))
@ -4693,7 +4696,152 @@ static void disas_data_proc_1src(DisasContext *s, uint32_t insn)
case MAP(1, 0x00, 0x05):
handle_cls(s, sf, rn, rd);
break;
case MAP(1, 0x01, 0x00): /* PACIA */
if (s->pauth_active) {
tcg_rd = cpu_reg(s, rd);
gen_helper_pacia(tcg_ctx, tcg_rd, tcg_ctx->cpu_env, tcg_rd, cpu_reg_sp(s, rn));
} else if (!dc_isar_feature(aa64_pauth, s)) {
goto do_unallocated;
}
break;
case MAP(1, 0x01, 0x01): /* PACIB */
if (s->pauth_active) {
tcg_rd = cpu_reg(s, rd);
gen_helper_pacib(tcg_ctx, tcg_rd, tcg_ctx->cpu_env, tcg_rd, cpu_reg_sp(s, rn));
} else if (!dc_isar_feature(aa64_pauth, s)) {
goto do_unallocated;
}
break;
case MAP(1, 0x01, 0x02): /* PACDA */
if (s->pauth_active) {
tcg_rd = cpu_reg(s, rd);
gen_helper_pacda(tcg_ctx, tcg_rd, tcg_ctx->cpu_env, tcg_rd, cpu_reg_sp(s, rn));
} else if (!dc_isar_feature(aa64_pauth, s)) {
goto do_unallocated;
}
break;
case MAP(1, 0x01, 0x03): /* PACDB */
if (s->pauth_active) {
tcg_rd = cpu_reg(s, rd);
gen_helper_pacdb(tcg_ctx, tcg_rd, tcg_ctx->cpu_env, tcg_rd, cpu_reg_sp(s, rn));
} else if (!dc_isar_feature(aa64_pauth, s)) {
goto do_unallocated;
}
break;
case MAP(1, 0x01, 0x04): /* AUTIA */
if (s->pauth_active) {
tcg_rd = cpu_reg(s, rd);
gen_helper_autia(tcg_ctx, tcg_rd, tcg_ctx->cpu_env, tcg_rd, cpu_reg_sp(s, rn));
} else if (!dc_isar_feature(aa64_pauth, s)) {
goto do_unallocated;
}
break;
case MAP(1, 0x01, 0x05): /* AUTIB */
if (s->pauth_active) {
tcg_rd = cpu_reg(s, rd);
gen_helper_autib(tcg_ctx, tcg_rd, tcg_ctx->cpu_env, tcg_rd, cpu_reg_sp(s, rn));
} else if (!dc_isar_feature(aa64_pauth, s)) {
goto do_unallocated;
}
break;
case MAP(1, 0x01, 0x06): /* AUTDA */
if (s->pauth_active) {
tcg_rd = cpu_reg(s, rd);
gen_helper_autda(tcg_ctx, tcg_rd, tcg_ctx->cpu_env, tcg_rd, cpu_reg_sp(s, rn));
} else if (!dc_isar_feature(aa64_pauth, s)) {
goto do_unallocated;
}
break;
case MAP(1, 0x01, 0x07): /* AUTDB */
if (s->pauth_active) {
tcg_rd = cpu_reg(s, rd);
gen_helper_autdb(tcg_ctx, tcg_rd, tcg_ctx->cpu_env, tcg_rd, cpu_reg_sp(s, rn));
} else if (!dc_isar_feature(aa64_pauth, s)) {
goto do_unallocated;
}
break;
case MAP(1, 0x01, 0x08): /* PACIZA */
if (!dc_isar_feature(aa64_pauth, s) || rn != 31) {
goto do_unallocated;
} else if (s->pauth_active) {
tcg_rd = cpu_reg(s, rd);
gen_helper_pacia(tcg_ctx, tcg_rd, tcg_ctx->cpu_env, tcg_rd, new_tmp_a64_zero(s));
}
break;
case MAP(1, 0x01, 0x09): /* PACIZB */
if (!dc_isar_feature(aa64_pauth, s) || rn != 31) {
goto do_unallocated;
} else if (s->pauth_active) {
tcg_rd = cpu_reg(s, rd);
gen_helper_pacib(tcg_ctx, tcg_rd, tcg_ctx->cpu_env, tcg_rd, new_tmp_a64_zero(s));
}
break;
case MAP(1, 0x01, 0x0a): /* PACDZA */
if (!dc_isar_feature(aa64_pauth, s) || rn != 31) {
goto do_unallocated;
} else if (s->pauth_active) {
tcg_rd = cpu_reg(s, rd);
gen_helper_pacda(tcg_ctx, tcg_rd, tcg_ctx->cpu_env, tcg_rd, new_tmp_a64_zero(s));
}
break;
case MAP(1, 0x01, 0x0b): /* PACDZB */
if (!dc_isar_feature(aa64_pauth, s) || rn != 31) {
goto do_unallocated;
} else if (s->pauth_active) {
tcg_rd = cpu_reg(s, rd);
gen_helper_pacdb(tcg_ctx, tcg_rd, tcg_ctx->cpu_env, tcg_rd, new_tmp_a64_zero(s));
}
break;
case MAP(1, 0x01, 0x0c): /* AUTIZA */
if (!dc_isar_feature(aa64_pauth, s) || rn != 31) {
goto do_unallocated;
} else if (s->pauth_active) {
tcg_rd = cpu_reg(s, rd);
gen_helper_autia(tcg_ctx, tcg_rd, tcg_ctx->cpu_env, tcg_rd, new_tmp_a64_zero(s));
}
break;
case MAP(1, 0x01, 0x0d): /* AUTIZB */
if (!dc_isar_feature(aa64_pauth, s) || rn != 31) {
goto do_unallocated;
} else if (s->pauth_active) {
tcg_rd = cpu_reg(s, rd);
gen_helper_autib(tcg_ctx, tcg_rd, tcg_ctx->cpu_env, tcg_rd, new_tmp_a64_zero(s));
}
break;
case MAP(1, 0x01, 0x0e): /* AUTDZA */
if (!dc_isar_feature(aa64_pauth, s) || rn != 31) {
goto do_unallocated;
} else if (s->pauth_active) {
tcg_rd = cpu_reg(s, rd);
gen_helper_autda(tcg_ctx, tcg_rd, tcg_ctx->cpu_env, tcg_rd, new_tmp_a64_zero(s));
}
break;
case MAP(1, 0x01, 0x0f): /* AUTDZB */
if (!dc_isar_feature(aa64_pauth, s) || rn != 31) {
goto do_unallocated;
} else if (s->pauth_active) {
tcg_rd = cpu_reg(s, rd);
gen_helper_autdb(tcg_ctx, tcg_rd, tcg_ctx->cpu_env, tcg_rd, new_tmp_a64_zero(s));
}
break;
case MAP(1, 0x01, 0x10): /* XPACI */
if (!dc_isar_feature(aa64_pauth, s) || rn != 31) {
goto do_unallocated;
} else if (s->pauth_active) {
tcg_rd = cpu_reg(s, rd);
gen_helper_xpaci(tcg_ctx, tcg_rd, tcg_ctx->cpu_env, tcg_rd);
}
break;
case MAP(1, 0x01, 0x11): /* XPACD */
if (!dc_isar_feature(aa64_pauth, s) || rn != 31) {
goto do_unallocated;
} else if (s->pauth_active) {
tcg_rd = cpu_reg(s, rd);
gen_helper_xpacd(tcg_ctx, tcg_rd, tcg_ctx->cpu_env, tcg_rd);
}
break;
default:
do_unallocated:
unallocated_encoding(s);
break;
}